panic: runtime error: integer divide by zero

goroutine 71940 [running]:
panic(0x152f520, 0x21c2320)
	GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc0011ecbe0 sp=0xc0011ecb28 pc=0x43611d
runtime.panicdivide()
	GOROOT/src/runtime/panic.go:191 +0x5b fp=0xc0011ecc00 sp=0xc0011ecbe0 pc=0x43488b
gvisor.dev/gvisor/pkg/tcpip/stack.(*ConnTrack).bucket(0xc000142d10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000, 0x800, 0x0)
	pkg/tcpip/stack/conntrack.go:508 +0x3df fp=0xc0011eccf8 sp=0xc0011ecc00 pc=0x9f5e6f
gvisor.dev/gvisor/pkg/tcpip/stack.(*ConnTrack).connForTID(0xc000142d10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600000000, 0x800, 0x0, 0x0)
	pkg/tcpip/stack/conntrack.go:247 +0xe0 fp=0xc0011ecea8 sp=0xc0011eccf8 pc=0x9f35c0
gvisor.dev/gvisor/pkg/tcpip/stack.(*ConnTrack).originalDst(0xc000142d10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x14daca0, 0xc0011fa1ff, 0x203000, ...)
	pkg/tcpip/stack/conntrack.go:621 +0x158 fp=0xc0011ecfa0 sp=0xc0011ecea8 pc=0x9f6928
gvisor.dev/gvisor/pkg/tcpip/stack.(*IPTables).OriginalDst(...)
	pkg/tcpip/stack/iptables.go:422
gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).GetSockOpt(0xc00043ac00, 0x14b0a60, 0xc0011de7c0, 0xc0011fa1f0)
	pkg/tcpip/transport/tcp/endpoint.go:2017 +0x1eb fp=0xc0011ed118 sp=0xc0011ecfa0 pc=0xcd88bb
gvisor.dev/gvisor/pkg/sentry/socket/netstack.getSockOptIP(0xc001148000, 0x7f36040cc938, 0xc00043ac00, 0x50, 0x1000, 0x2, 0x7f35e5559c80, 0x0, 0x447a17)
	pkg/sentry/socket/netstack/netstack.go:1613 +0xfe7 fp=0xc0011ed2c8 sp=0xc0011ed118 pc=0xd49887
gvisor.dev/gvisor/pkg/sentry/socket/netstack.GetSockOpt(0xc001148000, 0x18dcc20, 0xc001388900, 0x7f36040cc938, 0xc00043ac00, 0x2, 0x1, 0x0, 0x50, 0x1000, ...)
	pkg/sentry/socket/netstack/netstack.go:998 +0x1bf fp=0xc0011ed350 sp=0xc0011ed2c8 pc=0xd4319f
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketOperations).GetSockOpt(0xc001388900, 0xc001148000, 0x0, 0x50, 0x20001280, 0x1000, 0x0, 0x0, 0x0)
	pkg/sentry/socket/netstack/netstack.go:981 +0xad9 fp=0xc0011ed588 sp=0xc0011ed350 pc=0xd42f29
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.getSockOpt(0xc001148000, 0x7f36040cc820, 0xc001388900, 0x0, 0x50, 0x20001280, 0x1000, 0x10, 0x90, 0x10)
	pkg/sentry/syscalls/linux/sys_socket.go:514 +0xd7 fp=0xc0011ed628 sp=0xc0011ed588 pc=0xc40337
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.GetSockOpt(0xc001148000, 0x3, 0x0, 0x50, 0x20001280, 0x20000040, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_socket.go:468 +0x2b7 fp=0xc0011ed740 sp=0xc0011ed628 pc=0xc3feb7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc001148000, 0x37, 0x3, 0x0, 0x50, 0x20001280, 0x20000040, 0x0, 0x340, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:103 +0x44e fp=0xc0011ed9e0 sp=0xc0011ed740 pc=0xb9ccde
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc001148000, 0x37, 0x3, 0x0, 0x50, 0x20001280, 0x20000040, 0x0, 0x407baa, 0xc0011488d7)
	pkg/sentry/kernel/task_syscall.go:238 +0xb5 fp=0xc0011edac0 sp=0xc0011ed9e0 pc=0xb9e395
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001148000, 0x37, 0x3, 0x0, 0x50, 0x20001280, 0x20000040, 0x0, 0x112ada2, 0x2bb0872)
	pkg/sentry/kernel/task_syscall.go:198 +0x10a fp=0xc0011edb70 sp=0xc0011edac0 pc=0xb9dcfa
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc001148000, 0x2, 0xc001148000)
	pkg/sentry/kernel/task_syscall.go:173 +0x1e8 fp=0xc0011edcb0 sp=0xc0011edb70 pc=0xb9d4e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc001148000, 0x18a9180, 0x0)
	pkg/sentry/kernel/task_run.go:275 +0x11d9 fp=0xc0011edee8 sp=0xc0011edcb0 pc=0xb89e29
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc001148000, 0x6d7)
	pkg/sentry/kernel/task_run.go:93 +0x31d fp=0xc0011edfd0 sp=0xc0011edee8 pc=0xb87ffd
runtime.goexit()
	src/runtime/asm_amd64.s:1373 +0x1 fp=0xc0011edfd8 sp=0xc0011edfd0 pc=0x46b961
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:318 +0x19e